The weather had been a little chilly in Vinton, but it was beginning to get a little warmer. In fact, this morning it was only 42°. However, it had warmed to 70° by 3:00 p.m. How much colder was it in the morning than at 3:00 p.m.?

2.

Kaitlyn had 10 dimes to spend at the zoo. She exchanged them for nickels. How many nickels did she get?

3.

Emerson Bay is a beautiful state park in Milford, Iowa, so Joshua's family decided to camp there for the weekend. It will cost them $13 per night and they are staying 2 nights. How much will it cost Joshua's family to camp for the two nights?

4.

There are 83 state parks in Iowa, but only 66 in its neighboring state of Minnesota. How many more state parks are there in Iowa than Minnesota?